[lfs-support] Blank screen when booting with 3.13.3 kernel. - LFS 7.5

Duc Tran 901stt at gmail.com
Wed Mar 12 10:11:02 PDT 2014


On 03/12/2014 11:11 PM, Armin K. wrote:
> On 03/12/2014 05:09 PM, rhubarbpieguy at gmail.com wrote:
>> On 03/12/14 10:19, Merell L. Matlock, Jr. wrote:
>>> On 03/12/14 10:54, Armin K. wrote:
>>>> On 03/12/2014 03:46 PM, rhubarbpieguy at gmail.com wrote:
>>>>> I've built LFS 7.5 with the 3.13.3 kernel but receive a blank screen
>>>>> upon booting.  As an experiment, I unselected AGP Support in my kernel
>>>>> configuration and can successfully boot.  My thinking was perhaps
>>>>> there's a problem with AGP support.
>>>>>
>>>>> However, as I'm running LFS/BLFS 7.4, I compiled that 3.10.10 kernel in
>>>>> my LFS 7.5 build and CAN successfully with with AGP support.  I compiled
>>>>> the kernel with the same .config I used when compiling the LFS 7.5
>>>>> 3.13.3 kernel.  I also received a blank screen with the 3.13.5 kernel,
>>>>> so the problem isn't unique to 3.13.3.
>>>>>
>>>>> It appears there's a problem with newer kernels.  However, I certainly
>>>>> can't ignore the possibility of user error, as that's my "talent."  A
>>>>> few questions:
>>>>>
>>>>> Does it make sense it's a kernel version problem?
>>>>>
>>>>> If not, what might I have done wrong?
>>>>>
>>>>> Will there be problems running an older kernel (3.10.10) than the kernel
>>>>> with which I built LFS 7.5 (3.13.3)?
>>>>>
>>>> Have you enabled framebuffer console? CONFIG_FRAMEBUFFER_CONSOLE=y
>>>>
>>> Similar problem with me; mine was radeon related.  I had to blacklist
>>> (/etc/blacklist.conf) the radeon module in 7.4 until I had finished
>>> building X and Mesa.  I also spent almost a week before I found out that
>>> I also needed firmware for my card as well.  Once I had all the pieces
>>> in place, I removed the radeon entry from the blacklist, and it boots
>>> fine, with the open-source drivers.  I test-built 7.5 RC-1, leaving
>>> radeon totally out of the kernel config, and it booted fine.   I've been
>>> off on an arc-tangent for awhile, and I'll get back to 7.5 later.
>>>
>>> Merell Matlock
>> Yes, CONFIG_FRAMEBUFFER_CONSOLE is enabled.
>>
> Could you post your kern.log from /var/log after you boot? (you can get
> it from chroot after reboot iirc). Compress it before sending or it
> might get blocked.
>
Try to add "fbcon" into the "/etc/modules.conf" file. Just create a new
file if the file does not exist.

Duc Tran.



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